Home / 208,989.12-288,493.29-141,098.07

Finding the Fourth Proportional to 208,989.12, 288,493.29 and 141,098.07

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Solution

The fourth proportional to 208,989.12, 288,493.29 and 141,098.07 is: 194,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,989.12 : 288,493.29 = 141,098.07 : x
  2. Step 2: Convert to fraction form
    208,989.12/288,493.29 = 141,098.07/x
  3. Step 3: Cross multiply
    208,989.12x = 288,493.29 × 141,098.07
  4. Step 4: Simplify right side
    208,989.12x = 40,705,846,426.95
  5. Step 5: Solve for x
    x = 40,705,846,426.95/208,989.12
  6. Step 6: Final answer
    x = 194,774.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.